Overview
The MAX1135BCAP, produced by Analog Devices Inc./Maxim Integrated, is a 16-bit analog-to-digital converter (ADC) with a sampling rate of 150ksps. This serially interfaced ADC is designed to connect directly to SPI, QSPI, and MICROWIRE devices without the need for external logic. It features an input scaling network, internal track/hold (T/H), clock, and three general-purpose digital output pins for controlling external multiplexers or programmable gain amplifiers (PGAs). The device operates from a single 3.135V to 3.465V analog and digital supply, making it suitable for various applications requiring high speed, low power, and excellent dynamic performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 bits | |
| Sampling Rate (Bipolar) | 150ksps | |
| Sampling Rate (Unipolar) | 125ksps | |
| Input Range (Unipolar) | 0 to +2.048V | |
| Input Range (Bipolar) | ±2.048V | |
| Supply Voltage | 3.135V to 3.465V | |
| Power Consumption (Active) | 8.0mA | |
| Power Consumption (Power-Down) | < 20µA | |
| Temperature Range | -40°C to +85°C | |
| Package Type | 20-pin SSOP |
Key Features
- High-speed sampling rates of up to 150ksps in bipolar mode and 125ksps in unipolar mode.
- Excellent dynamic performance with THD ≥ 90dB.
- Internal calibration circuitry to correct linearity and offset errors.
- On-demand calibration for optimized performance.
- Three user-programmable logic outputs for controlling external multiplexers or PGAs.
- Serial strobe output (SSTRB) for direct connection to TMS320 family digital-signal processors.
- Option to use either internal or external serial-interface clock.
- Low power consumption with power-down modes reducing current to less than 20µA at slower data rates.
Applications
- Industrial process control.
- Industrial I/O modules.
- Data-acquisition systems.
- Medical instruments.
- Portable and battery-powered equipment.
Q & A
- What is the resolution of the MAX1135BCAP ADC?
The MAX1135BCAP has a resolution of 16 bits. - What are the sampling rates for the MAX1135BCAP?
The sampling rates are up to 150ksps in bipolar mode and 125ksps in unipolar mode. - What are the input voltage ranges for the MAX1135BCAP?
The input voltage ranges are 0 to +2.048V (unipolar) and ±2.048V (bipolar). - What is the supply voltage range for the MAX1135BCAP?
The supply voltage range is 3.135V to 3.465V. - How much power does the MAX1135BCAP consume in active mode?
The power consumption in active mode is 8.0mA. - What is the power consumption in power-down mode?
The power consumption in power-down mode is less than 20µA at slower data rates. - What is the operating temperature range for the MAX1135BCAP?
The operating temperature range is -40°C to +85°C. - What type of package does the MAX1135BCAP come in?
The MAX1135BCAP comes in a 20-pin SSOP package. - Does the MAX1135BCAP support internal or external clock options?
Yes, the MAX1135BCAP supports both internal and external serial-interface clock options. - What is the purpose of the serial strobe output (SSTRB) on the MAX1135BCAP?
The serial strobe output (SSTRB) allows direct connection to the TMS320 family digital-signal processors.
